Polyhalite and Jelly Opal Physical Properties

Polyhalite and Jelly Opal Chemical Formula

While comparing Polyhalite and Jelly Opal physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Polyhalite and Jelly Opal chemical formula.

• Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O
• Chemical formula of Jelly Opal- SiO2*nH2O

Polyhalite and Jelly Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Jelly Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Jelly Opal Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 1.98-2.50 whereas that of Jelly Opal is 1.98-2.50.